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Yearly Archives: 2019

2009 AMG Cylinder Head Bolts Replacement

2009 AMG Cylinder Head Bolts Replacement

This 2009 Mercedes-Benz SL, AMG, is undergoing an extensive repair due to damaged head bolts.  This is a fairly common issue with the Mercedes-Benz "63" M156 big block 6.2 liter engine (See below for list of vehicles this engine is used in). Symptoms of the head bolt failure include engine misfiring and unexplained coolant loss.  Most often a check engine warning light will show on your dash display, in this case, we offer a free "engine light" check service to begin to identify if this is the issue.  If these symptoms are ignored, the issue will quickly begin to cause serious damage to other engine components.   The repair procedure is to replace the broken head bolts with an upgraded, heavy duty head bolt. This process requires removal of the cylinder heads and replacement of the cylinder head gaskets (as well as other necessary gaskets) as seen in the next few images below.  Shown above the ca ... read more

Ferrari California Transmission Rebuild

Ferrari California Transmission Rebuild

Renn Haus specializes in service and repair of DCT transmissions including the Getrag units found most commonly in the latest exotic cars including the Ferrari California, 458, 488, F12, and La Ferrari, Mercedes-Benz SLS and AMG GTS.  Shown below is the Ferrari California with the Getrag 7DCL750 transmission housing removed.  For this build, we utilized the latest computer electronics and the manufacturers diagnostic software from Leonardo Diagnostic (Ferrari) to assist our specialized technicians to pinpoint the problem in this transmission.  We always keep our technicians highly trained and qualified to perform basic procedures such as DCT fluid and filter service -- all the way to complete disassembly for Getrag speed sensor replacement, such in this case.    This repair saved our client thousands of dollars compared to the exotic car ... read more

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